Stair nosing



FIG. 1 is a top perspective view of a stair nosing.

FIG. 2 is a bottom perspective view of the stair nosing of FIG. 1.

FIG. 3 is a top plan view of the stair nosing of FIG. 1.

FIG. 4 is a bottom plan view of the stair nosing of FIG. 1.

FIG. 5 is a right side view of the stair nosing of FIG. 1, the opposite side being a mirror image thereof.

FIG. 6 is a rear elevation view of the stair nosing of FIG. 1.

FIG. 7 is a perspective view of the stair nosing of FIG. 1 shown installed in a stair; and,

FIG. 8 is a cross-sectional view of the stair nosing taken along line 8—8 of FIG. 7.

The broken lines in drawings are for illustrative purposes only and form no part of the claimed design. A portion of the stair nosing is cut away to indicate that no specific length of the nosing is claimed. 

I claim the ornamental design for a stair nosing, as shown and described. 